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Finding the Fourth Proportional to 155,498.40, 233,247.60 and 102,045.60

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Solution

The fourth proportional to 155,498.40, 233,247.60 and 102,045.60 is: 153,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,498.40 : 233,247.60 = 102,045.60 : x
  2. Step 2: Convert to fraction form
    155,498.40/233,247.60 = 102,045.60/x
  3. Step 3: Cross multiply
    155,498.40x = 233,247.60 × 102,045.60
  4. Step 4: Simplify right side
    155,498.40x = 23,801,891,290.56
  5. Step 5: Solve for x
    x = 23,801,891,290.56/155,498.40
  6. Step 6: Final answer
    x = 153,068.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.